Abstract

Methods to synthesize black phosphorus (BP) have been studied over the last few decades with several challenges remaining to be solved. In this paper, BP flakes were synthesized using a novel method, which we named as “Pressure Quenching” approach. Briefly, BP was obtained from red phosphorus (RP) through a controllable phase transition under conditions below 0.4 GPa and 580 °C. The mechanism was investigated in detail via a decompression process at fixed temperature with the phase transition exhibiting an energy barrier dependence. Meanwhile, an extra tunable energy was generated by pressure quenching as a supplement for the phase transition. Therefore, the transition from RP to BP could be easily controlled by tuning the applied pressure.

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